Lock Screen - Samsung Galaxy S4 Start Manual

To disable Wi-Fi Calling:
1. From the Home screen, tap
Connections tab g More networks.
2. Tap the Wi-Fi Calling slider to toggle off the feature.
To change connection preferences:
1. From the Home screen, tap
Connections tab g More networks g More settings g
Wi-Fi Calling.
2. Tap Connection Preference and select your preference.

Lock Screen

This menu contains features that allows you to configure the
device's security parameters.
To secure data and limit phone access, set the device to require a
screen unlock pattern each time you turn on the device, or every
time the phone wakes up from sleep mode (when the screen
automatically turns off).
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From the Home screen, press
Settings g My device tab g Lock screen g Screen
lock.
The Screen lock menu allows to choose from a variety of locking
features.
(Menu) g Settings g
(Menu) g Settings g
(Menu) and then tap